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Vocabulary, Fact & Opinion

Grade 3 · Stretch challenge · 8 questions · Version PG-162EWA-N19G

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1.A lever is a rigid bar that turns around a fixed point. Moving that point changes the effort needed. What does “rigid” mean here?
2.A lever is a rigid bar that turns around a fixed point. Moving that point changes the effort needed. Give one fact and one opinion about this topic.
3.Mina read two reports about one event. She checked their sources before trusting the details. What does “sources” mean here?
4.A budget lists expected income and expenses. Comparing them helps a family plan spending. Give one fact and one opinion about this topic.
5.The council compared three playground plans for cost, safety, and accessibility before voting. What does “accessibility” mean here?
6.City trees shade sidewalks, absorb rainwater, and provide shelter for birds and insects. Give one fact and one opinion about this topic.
7.Engineers revised a bridge model after its center bent. They added supports and tested again. What does “revised” mean here?
8.A primary source comes from the time studied. A secondary source interprets evidence later. Give one fact and one opinion about this topic.

Answers and teaching notes

Use the answers to check the work after the learner finishes. For writing prompts, the guide describes what a strong response should include.

Show answers for version 13
  1. A lever is a rigid bar that turns around a fixed point. Moving that point changes the effort needed. What does “rigid” mean here?Stiff and not easily bent
  2. A lever is a rigid bar that turns around a fixed point. Moving that point changes the effort needed. Give one fact and one opinion about this topic.Fact: A lever turns around a fixed point. Opinion: Levers are the most useful machines.
  3. Mina read two reports about one event. She checked their sources before trusting the details. What does “sources” mean here?Places where information comes from
  4. A budget lists expected income and expenses. Comparing them helps a family plan spending. Give one fact and one opinion about this topic.Fact: A budget can list income and expenses. Opinion: Making a budget is enjoyable.
  5. The council compared three playground plans for cost, safety, and accessibility before voting. What does “accessibility” mean here?How usable something is for different people
  6. City trees shade sidewalks, absorb rainwater, and provide shelter for birds and insects. Give one fact and one opinion about this topic.Fact: Trees can shelter birds. Opinion: Every street should have hundreds of trees.
  7. Engineers revised a bridge model after its center bent. They added supports and tested again. What does “revised” mean here?Changed to improve
  8. A primary source comes from the time studied. A secondary source interprets evidence later. Give one fact and one opinion about this topic.Fact: A primary source comes from the time studied. Opinion: Diaries are the best historical sources.

Worked example

Check whether a statement can be verified, then use evidence to interpret vocabulary.

Common mistake

Treating a strongly worded opinion as a fact.

Helpful hint

Ask what evidence could prove the statement.